x<-seq(from=-5,to=5,by=0.05)
y<-seq(from=-5,to=5,by=0.05)
xy<-expand.grid(x,y)
z<-complex(real=xy[,1],imaginary=xy[,2])
plot3d(xy[,1],xy[,2],Im(exp(z)),col=rainbow(1000))
X <- par3d("userMatrix")
movie3d( par3dinterp( userMatrix=list(X,rotate3d(X, pi/2, 1, 0, 0),rotate3d(X, pi/2, 0, 1, 0) )), duration=5 ,movie="exp",dir=".")
plot3d(xy[,1],xy[,2],Im(cos(z)),col=rainbow(1000))
X <- par3d("userMatrix")
movie3d( par3dinterp( userMatrix=list(X,rotate3d(X, pi/2, 1, 0, 0),rotate3d(X, pi/2, 0, 1, 0) )), duration=5 ,movie="cos",dir=".")
plot3d(xy[,1],xy[,2],Im(sin(z)),col=rainbow(1000))
X <- par3d("userMatrix")
movie3d( par3dinterp( userMatrix=list(X,rotate3d(X, pi/2, 1, 0, 0),rotate3d(X, pi/2, 0, 1, 0) )), duration=5 ,movie="sin",dir=".")
plot3d(xy[,1],xy[,2],Im(cosh(z)),col=rainbow(1000))
X <- par3d("userMatrix")
movie3d( par3dinterp( userMatrix=list(X,rotate3d(X, pi/2, 1, 0, 0),rotate3d(X, pi/2, 0, 1, 0) )), duration=5 ,movie="cosh",dir=".")
plot3d(xy[,1],xy[,2],Im(sinh(z)),col=rainbow(1000))
X <- par3d("userMatrix")
movie3d( par3dinterp( userMatrix=list(X,rotate3d(X, pi/2, 1, 0, 0),rotate3d(X, pi/2, 0, 1, 0) )), duration=5 ,movie="sinh",dir=".")
plot3d(xy[,1],xy[,2],Im(acos(z)),col=rainbow(1000))
X <- par3d("userMatrix")
movie3d( par3dinterp( userMatrix=list(X,rotate3d(X, pi/2, 1, 0, 0),rotate3d(X, pi/2, 0, 1, 0) )), duration=5 ,movie="acos",dir=".")
plot3d(xy[,1],xy[,2],Im(asin(z)),col=rainbow(1000))
X <- par3d("userMatrix")
movie3d( par3dinterp( userMatrix=list(X,rotate3d(X, pi/2, 1, 0, 0),rotate3d(X, pi/2, 0, 1, 0) )), duration=5 ,movie="asin",dir=".")
plot3d(xy[,1],xy[,2],Im(acosh(z)),col=rainbow(1000))
X <- par3d("userMatrix")
movie3d( par3dinterp( userMatrix=list(X,rotate3d(X, pi/2, 1, 0, 0),rotate3d(X, pi/2, 0, 1, 0) )), duration=5 ,movie="acosh",dir=".")
plot3d(xy[,1],xy[,2],Im(asinh(z)),col=rainbow(1000))
X <- par3d("userMatrix")
movie3d( par3dinterp( userMatrix=list(X,rotate3d(X, pi/2, 1, 0, 0),rotate3d(X, pi/2, 0, 1, 0) )), duration=5 ,movie="asinh",dir=".")
open3d()
plot3d(xy[,1],xy[,2],Re(exp(z)),col=rainbow(1000))
open3d()
plot3d(xy[,1],xy[,2],Im(exp(z)),col=rainbow(1000))
open3d()
plot3d(xy[,1],xy[,2],Re(cos(z)),col=rainbow(1000))
open3d()
plot3d(xy[,1],xy[,2],Im(cos(z)),col=rainbow(1000))
open3d()
plot3d(xy[,1],xy[,2],Re(sin(z)),col=rainbow(1000))
open3d()
plot3d(xy[,1],xy[,2],Im(sin(z)),col=rainbow(1000))
open3d()
plot3d(xy[,1],xy[,2],Re(cosh(z)),col=rainbow(1000))
open3d()
plot3d(xy[,1],xy[,2],Im(cosh(z)),col=rainbow(1000))
open3d()
plot3d(xy[,1],xy[,2],Re(sinh(z)),col=rainbow(1000))
open3d()
plot3d(xy[,1],xy[,2],Im(sinh(z)),col=rainbow(1000))
- 第2章 複素関数の微分
- 第3章 複素関数の積分
- 2次元の積分
- 経路で積分
- ぐるっと一周すると積分はゼロ
- ただし、それには一周する経路とその内側で微分ができないといけない
- 内側に微分できない部分があるとき(正則でないとき)には、ぐるり1周の積分には分、増える
- 第4章 複素関数の展開と特異性
- 第5章 留数定理
- 留数は特異点のタイプとその数と一周ぐるりとの関係で決まる
- 留数を求めると積分もできてしまう